Can you please share your config?
/export hide-sensitive file=whateveryoulike
Have you already reset the device and reconfigured it?
(By importing the export you can return to the current configuration any time)
Nop it doesn't workit seems the issue is with 5Ghz Wifi channel. i have manually set to 5180. now there is no issue.
my RB4011 is US version.
Can it be the Issue ??